There are several posts encompassing a 20 LED charlie and at least one using only 4 PIC pins.
I doubt though you'll find any of them in C and I guarantee you no one will do it for you.
There are several posts encompassing a 20 LED charlie and at least one using only 4 PIC pins.
I doubt though you'll find any of them in C and I guarantee you no one will do it for you.
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